view tests/test-remotefilelog-local.t @ 47682:78f7f0d490ee

dirstate-v2: Move fixed-size tree metadata into the docket file

Before this changeset, the dirstate-v2 data file contained not only nodes
and paths that may be reused when appending to an existing file,
but also some fixed-size metadata that applies to the entire tree
and was added at the end of the data file for every append.

This moves that metadata into the docket file, so that repeated "append"
operations without meaningful changes don’t actually need to grow any file.

Differential Revision: https://phab.mercurial-scm.org/D11098

#require no-windows

  $ . "$TESTDIR/remotefilelog-library.sh"

  $ hg init master
  $ cd master
  $ cat >> .hg/hgrc <<EOF
  > [remotefilelog]
  > server=True
  > EOF
  $ echo x > x
  $ echo y > y
  $ echo z > z
  $ hg commit -qAm xy

  $ cd ..

  $ hgcloneshallow ssh://user@dummy/master shallow -q
  3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over *s (glob)
  $ cd shallow

# status

  $ clearcache
  $ echo xx > x
  $ echo yy > y
  $ touch a
  $ hg status
  M x
  M y
  ? a
  1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
  $ hg add a
  $ hg status
  M x
  M y
  A a

# diff

  $ hg debugrebuilddirstate # fixes dirstate non-determinism
  $ hg add a
  $ clearcache
  $ hg diff
  diff -r f3d0bb0d1e48 x
  --- a/x* (glob)
  +++ b/x* (glob)
  @@ -1,1 +1,1 @@
  -x
  +xx
  diff -r f3d0bb0d1e48 y
  --- a/y* (glob)
  +++ b/y* (glob)
  @@ -1,1 +1,1 @@
  -y
  +yy
  3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over *s (glob)

# local commit

  $ clearcache
  $ echo a > a
  $ echo xxx > x
  $ echo yyy > y
  $ hg commit -m a
  ? files fetched over 1 fetches - (? misses, 0.00% hit ratio) over *s (glob)

# local commit where the dirstate is clean -- ensure that we do just one fetch
# (update to a commit on the server first)

  $ hg --config debug.dirstate.delaywrite=1 up 0
  2 files updated, 0 files merged, 1 files removed, 0 files unresolved
  $ clearcache
  $ hg debugdirstate
  n 644          2 * x (glob)
  n 644          2 * y (glob)
  n 644          2 * z (glob)
  $ echo xxxx > x
  $ echo yyyy > y
  $ hg commit -m x
  created new head
  2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)

# restore state for future tests

  $ hg -q strip .
  $ hg -q up tip

# rebase

  $ clearcache
  $ cd ../master
  $ echo w > w
  $ hg commit -qAm w

  $ cd ../shallow
  $ hg pull
  pulling from ssh://user@dummy/master
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 0 changes to 0 files (+1 heads)
  new changesets fed61014d323
  (run 'hg heads' to see heads, 'hg merge' to merge)

  $ hg rebase -d tip
  rebasing 1:9abfe7bca547 "a"
  saved backup bundle to $TESTTMP/shallow/.hg/strip-backup/9abfe7bca547-8b11e5ff-rebase.hg (glob)
  3 files fetched over 2 fetches - (3 misses, 0.00% hit ratio) over *s (glob)

# strip

  $ clearcache
  $ hg debugrebuilddirstate # fixes dirstate non-determinism
  $ hg strip -r .
  2 files updated, 0 files merged, 1 files removed, 0 files unresolved
  saved backup bundle to $TESTTMP/shallow/.hg/strip-backup/19edf50f4de7-df3d0f74-backup.hg (glob)
  3 files fetched over 2 fetches - (3 misses, 0.00% hit ratio) over *s (glob)

# unbundle

  $ clearcache
  $ ls -A
  .hg
  w
  x
  y
  z

  $ hg debugrebuilddirstate # fixes dirstate non-determinism
  $ hg unbundle .hg/strip-backup/19edf50f4de7-df3d0f74-backup.hg
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 3 changes to 3 files
  new changesets 19edf50f4de7 (1 drafts)
  (run 'hg update' to get a working copy)
  2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)

  $ hg up
  3 files updated, 0 files merged, 0 files removed, 0 files unresolved
  1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
  $ cat a
  a

# revert

  $ clearcache
  $ hg revert -r .~2 y z
  no changes needed to z
  1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
  $ hg checkout -C -r . -q

# explicit bundle should produce full bundle file

  $ hg bundle -r 2 --base 1 ../local.bundle
  1 changesets found
  1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
  $ cd ..

  $ hgcloneshallow ssh://user@dummy/master shallow2 -q
  2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)
  $ cd shallow2
  $ hg unbundle ../local.bundle
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 3 changes to 3 files
  new changesets 19edf50f4de7 (1 drafts)
  (run 'hg update' to get a working copy)

  $ hg log -r 2 --stat
  changeset:   2:19edf50f4de7
  tag:         tip
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     a
  
   a |  1 +
   x |  2 +-
   y |  2 +-
   3 files changed, 3 insertions(+), 2 deletions(-)
  
# Merge

  $ echo merge >> w
  $ hg commit -m w
  created new head
  $ hg merge 2
  3 files updated, 0 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  $ hg commit -m merge
  $ hg strip -q -r ".^"

# commit without producing new node

  $ cd $TESTTMP
  $ hgcloneshallow ssh://user@dummy/master shallow3 -q
  $ cd shallow3
  $ echo 1 > A
  $ hg commit -m foo -A A
  $ hg log -r . -T '{node}\n'
  383ce605500277f879b7460a16ba620eb6930b7f
  $ hg update -r '.^' -q
  $ echo 1 > A
  $ hg commit -m foo -A A
  warning: commit already existed in the repository!
  $ hg log -r . -T '{node}\n'
  383ce605500277f879b7460a16ba620eb6930b7f